Dr. Yen earned his BE (summa cum laude) at Vanderbilt University and his MD at the University of North Carolina at Chapel Hill. He completed his internship and residency at the Hospital of the University of Pennsylvania and Loma Linda University Children’s Hospital, and dual fellowship in Allergy/Immunology and Pediatric Rheumatology (autoimmune disease) at UCLA Medical Center.
Dr. Yen is a board-certified allergist and immunologist who specializes in treating Adults and Children with allergic rhinitis, food and medication allergy, asthma, hives, angioedema, anaphylaxis, eczema, sinusitis, and immune system disorders causing infections (like T and B cell immunodeficiencies, antibody deficiencies, immune dysregulation, phagocytes defects, complement deficiencies, and related disorders). Dr. Yen is also a board-certified pediatric rheumatologist who has a special clinical/research interest in Children with immune system disorders like immunodeficiencies who present with autoimmunity (positive anti-nuclear antibodies) and/or autoimmune diseases like arthritis and systemic connective tissue diseases.
Dr. Yen is a member of the American College of Allergy, Asthma, & Immunology (ACAAI); and the American College of Rheumatology (ACR).
He currently serves on the Clinical Immunology & Autoimmune Diseases Committee in the ACAAI to address important topics affecting the field of allergy and immunology.
Dr. Yen also serves on Childhood Arthritis and Rheumatology Research Alliance (CARRA), a multicenter collaborative research network comprised of major academic centers in the US and Canada, as a Co-Leader of the ANCA-Associated Vasculitis (AAV) working group within the Scleroderma, Vasculitis, Autoinflammatory, and Rare Diseases (SVARD) Committee leading the development of Consensus Treatment Plans to standardize treatment regimens for AAV.
He also serves on the Autoimmunity, Immunodeficiency, and Monogenic Disease working group within the SVARD Committee actively developing research projects to address important topics affecting children and adults with immunodeficiencies and autoimmune diseases.